'donnell, vern glenn, michelle griego and mike sugerman. >>> another bay area gun buy- back produced a large turnout. like others, the offer of cash for weapons was an incentive but as cbs 5 reporter patrick sedillo shows us one prominent victim of gun violence says people are rethinking gun ownership. >>> reporter: the cars lined up for blocks for the san mateo gun buy-back. >> handguns is $100. assault rifles are $200. >> reporter: and there were. besides those, all kinds of guns were brought in. >> we'll give money for up to 3 guns and accept as many as people want to turn in. >> reporter: the idea is simple. it's turned this into this and it's working. >> this is a no questions asked anonymous gun buy-back event. >> reporter: donald smith brought in two old rifles. >> haven't been used in many years. so time to get rid of them. >> reporter: as easy as that -- >> one and two. >> reporter: he got his $200 no questions asked. where's the money? >> the money is right here. all right? >> reporter: already spend it? >> you bet. we're heading out of town.